Quote:
Originally Posted by Muffin man
I am working on a 79 malibu and have a question on the 9 x 30 slick and the clearance of the rear of the frame. Can I lightly trim the area so the tire does not rub? I have looked into the nhra rule book and only see that the inner fender cannot be changed but no mention of "notching the frame permitted" Please help.
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This reply will be unpopular by some but here goes!
First off, do not come onto a message board and announce your intentions. I know you are simply looking for guidance, but now every tech guy and racer with a similar combo will be looking at your car.
Second, things like frame and chassis modifications seem to be the normal now days. Take a close look at late model Camaros and Firebirds. How is it some sit over the rear tire and some sit with the tire tucked under? And it's very obvious to just about everyone when there are a half dozen next to each other in the staging lanes. As for the G bodies, their is no better example of the modifications that go unnoticed than the old Forester Old's that's now running in Division 3 and 4. The rear tires sit completely tucked up into the rear tub. I'll bet you could fit a 10.5 tire in there. Any smart man would simply measure inside the trunk, between the wheel wells. I'd bet the tubs are 4 inches closer together in that car than an "average" G body. One would think parking two cars side by side and measuring between tubs or frame rails would be an easy way to check for this stuff.
Enough of my rant. Make your changes subtle and discreet. No one will notice if you don't call attention to yourself.